With Luis Suarez still awaiting the verdict of his appeal against Fifa’s four month ban from football and neither Leo Messi nor Neymar yet fit Barça might have been expected to start with 20-year-old Deulofeu but the manager left him on the bench.

Barça coach Luis Enrique publicly criticised Deulofeu in midweek after a defeat to Malaga saying the winger needed to improve his defensive work. Munir was again preferred in attack and scored twice as the Fins conceded four in the first 24 minutes.

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Running riot: Barcelona had too much power for the Finnish opponents as they scored six in Helsinki

Eye for the net: Brazilian youngster Rafinha has a shot on goal during the match at the Olympic Stadium

The game was just five minutes old when Munir put Barça ahead. Andres Iniesta’s lofted pass dropped perfectly from him and he connected with a left footed volley into the far corner.

A minute later a mistake from goalkeeper Michael Tornes gave Barcelona a corner and they could have doubled their lead but Gerard Pique could not convert Rafinha’s kick.

Iniesta then helped make the second and once again Munir was involved. The Barcelona captain played in Sergio Roberto and he swapped passes with Munir before shooting past Tornes. Inside ten minutes Barça had scored twice and with two players in the team who will not be starters when all their Wold Cup stars return.

On 16 minutes it was three when again Munir pulled away into space this time in the six-yard box and Rafinha found him with another floated pass that he headed home for his second goal of the game.

It was 4-0 on 25 minutes and Barcelona were now toying with their opponents. The ball was rolled from one side of the penalty area to the other with Munir playing it to Pedro and finally the winger setting up Pique to score.

On the charge: Croatian international Ivan Rakitic makes a break from midfield

Having conceded four Helsinki’s keeper Tornes left the pitch injured to be replaced by Sakhu Eriksson.

He was immediately called into action as Pedro tried to add his name to the score sheet shooting just wide of the new keeper’s near post. Rafinha then did likewise as Barcleon tried to make it five inside the first half.

At the other end of the pitch Luis Enrique’s third keeper Jordi Masip had almost nothing to do playing ahead of new signings Marc-André ter Stegen and Claudio Bravo although he did have to come smartly off his line at the start of the second half.

Luis Enrique made two changes after the break with Pique and Iniesta withdrawn. The new faces combined to make it five. It was Ivan Rakitic with the free-kick and Marc Bartra who got his head to the kick to convert the chance. Rakitic almost bagged one for himself with a shot from outside the area that stung Eriksson’s hands as he turned it away.

Barça made five changes on the hour with Munir, Busquets, Jordi Alba, Sergi Roberto and Rafinha making way for Deulofeu, Sergi Samper, Alejandro Grimaldo, Alen Halilovic and Sandro Ramirez.

Deulofeu made an immediate impact controlling a superb 40-yard cross-field pass, beating his man at the byline and pulling back a cross that was cleared for a corner. With 13 minutes left he went on another running accelerating away from the HJK defence but seeing his shot saved at the near post.

Pedro went close again with 10 minutes left but sent his shot just over Eriksson’s bar. The winger was then played in by Deulofeu after another mazy run from the substitute but was was again denied.

When the sixth goal came it was from a Rakitic pass, hammered home by Sandro, another of Barça’s young forwards.

Luis Enrique’s masterplan is to have Messi operating between Neymar and Suarez but Barça fans will have to wait for that to become a reality. In the meantime Rafinha, Munir, Sandro and Pedro had shown that there is plenty of attacking quality to spare.